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Home >> GMC >> 2011 >> Yukon Base, 5.3 3 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Automatic Transmission - 2ML70 - Diagnostic Information And Procedures) >> Diagnostic Information and Procedures >> DTC P0721-P0723 >> Action Taken When the DTC Sets

Action Taken When the DTC Sets

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P0721 

The transmission control module calculates vehicle direction.

P0722 and P0723 

The transmission control module calculates vehicle speed based on the wheel speed sensors.

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